English verb conjugation
MAY SHELVE

Regular verb: shelve - shelved - shelved

Affirmation

Simple form	V-ing form
I may shelve you may shelve he may shelve we may shelve you may shelve they may shelve	I may be shelving you may be shelving he may be shelving we may be shelving you may be shelving they may be shelving
Perfect	V-ing perfect
I may have shelved you may have shelved he may have shelved we may have shelved you may have shelved they may have shelved	I may have been shelving you may have been shelving he may have been shelving we may have been shelving you may have been shelving they may have been shelving

Negation

Simple form	V-ing form
I may not shelve you may not shelve he may not shelve we may not shelve you may not shelve they may not shelve	I may not be shelving you may not be shelving he may not be shelving we may not be shelving you may not be shelving they may not be shelving
Perfect	V-ing perfect
I may not have shelved you may not have shelved he may not have shelved we may not have shelved you may not have shelved they may not have shelved	I may not have been shelving you may not have been shelving he may not have been shelving we may not have been shelving you may not have been shelving they may not have been shelving

Interrogative form

Simple form	V-ing form
may I shelve? may you shelve? may he shelve? may we shelve? may you shelve? may they shelve?	may I be shelving? may you be shelving? may he be shelving? may we be shelving? may you be shelving? may they be shelving?
Perfect	V-ing perfect
may I have shelved? may you have shelved? may he have shelved? may we have shelved? may you have shelved? may they have shelved?	may I have been shelving? may you have been shelving? may he have been shelving? may we have been shelving? may you have been shelving? may they have been shelving?

Interro-negative form

Simple form	V-ing form
may I not shelve? may you not shelve? may he not shelve? may we not shelve? may you not shelve? may they not shelve?	may I not be shelving? may you not be shelving? may he not be shelving? may we not be shelving? may you not be shelving? may they not be shelving?
Perfect	V-ing perfect
may I not have shelved? may you not have shelved? may he not have shelved? may we not have shelved? may you not have shelved? may they not have shelved?	may I not have been shelving? may you not have been shelving? may he not have been shelving? may we not have been shelving? may you not have been shelving? may they not have been shelving?